Managed and Bidirectional Charging | Department of Energy
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Solar-plus-storage system adoption is rising, particularly in California and Hawaii, driven by net metering policy changes encouraging energy self-consumption. Given the right energy management solutions, bidirectional charging, or V2X, could add significant storage capacity for these systems.
Bidirectional charging allows an electric vehicle to both charge its battery from the electrical grid and discharge energy back to the grid or another electrical system. This capability will not only enable emergency backup power for homes and businesses but also allow users to alleviate grid strain and reduce energy costs.
Given the right energy management solutions, bidirectional charging, or V2X, could add significant storage capacity for these systems. In addition, pairing a V2X system with stationary batteries can improve overall system efficiency and provide a more seamless transition of the home to backup mode.
Federal facilities and their fleets serve critical missions that may be compromised or require backup power in the event of a grid outage. As the federal government moves toward fleet electrification, site decarbonization, and deployment of local distributed energy resources (DERs), agencies should consider both managed and bidirectional charging.
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